Answer Posted / saquib

class is compiled.
class is a keyword which is used to create customise data type.
class without object is logical.


but object never compiled it only executed.
object is a physical representation of a class

What is abstract class in oops?

1074

---

#include #include #include #include void insert(struct btreenode **, int); void inorder(struct btreenode *); struct btreenode { struct btreenode *leftchild; struct btreenode *rightchild; int data; }; main() { struct btreenode *bt; bt=(struct btreenode *)NULL; int req,i=1,num; clrscr(); printf("Enter number of nodes"); scanf("%d",&req); while(i<=req) { printf("Enter element"); scanf("%d",&num); insert(&bt,num); i++; } inorder(bt); } void insert(struct btreenode **sr, int num) { if(*sr==NULL) { *sr=(struct btreenode *)malloc (sizeof(struct btreenode)); (*sr)->leftchild=(struct btreenode *)NULL; (*sr)->rightchild=(struct btreenode *)NULL; (*sr)->data=num; return; } else { if(num < (*sr)->data) insert(&(*sr)->leftchild,num); else insert(&(*sr)->rightchild,num); } return; } void inorder(struct btreenode *sr) { if(sr!=(struct btreenode *)NULL) { inorder(sr->leftchild); printf("\n %d",sr->data); inorder(sr->rightchild); } else return; } please Modify the given program and add two methods for post order and pre order traversals.

3829

---

State what is encapsulation and friend function?

1341

---

Why do we use polymorphism?

1129

---

How is polymorphism achieved?

1111

---

Why do we use class in oops?

1020

---

What is the types of inheritance?

1152

---

How do you explain polymorphism?

1115

---

what is the drawback of classical methods in oops?

3429

---

What is destructor example?

1115

---

Why do while loop is used?

1097

---

What is difference between polymorphism and inheritance?

1132

---

what's the basic's in dot net

2232

---

can inline function declare in private part of class?

4497

---

class type to basic type conversion

2470

---